Packaging box



FIG. 1 is a front perspective view of a packaging box showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side perspective view thereof;

FIG. 7 is the unfolded view of a packaging box showing my design; and,

FIG. 8 is the open view of a packaging box showing my design. 

The ornamental design for a packaging box, as shown and described. 